Quick center finder set. There multiple sizes to choose from. Just set it on the edge and tip it till both round parts touch. You can hold a pencil in the hole and run it along the length to draw center lines.
More from Hand Tools
Get 20GB of Dropbox for 6 Months - Free!
Dropbox is the perfect tool for keeping all your files in sync:
Remember to come back and post what you've printed as Make.
It's good for the designer and the community (that means you)!
To post a Make, come back to this Thing and click Post a Make.
Or, you can use the Thingiverse Mobile app found on
and the Apple App Store.